<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <link rel="stylesheet" href="css样式.css">
    <style type="text/css">
        p.dotted {border-style: dotted}
        p.dashed {border-style: dashed}
        p.solid {border-style: solid}
        p.double {border-style: double}
        p.groove {border-style: groove}
        p.ridge {border-style: ridge}
        p.inset {border-style: inset}
        p.outset {border-style: outset}
    </style>
</head>
<body>
<h1>我是一级标题</h1>
<p>我是段落，我是段落，我是段落 ......</p>

<p class="dotted">A dotted border</p>

<p class="dashed">A dashed border</p>

<p class="solid">A solid border</p>

<p class="double">A double border</p>

<p class="groove">A groove border</p>

<p class="ridge">A ridge border</p>

<p class="inset">An inset border</p>

<p class="outset">An outset border</p>
</body>
</html>